@charset "utf-8";
@import url("reset.css");
*{
    padding: 0;
    margin: 0;
    font: "微软雅黑"; 
    list-style: none;
} 
body,html{
    width: 100%;
}
header{
    width: 100%;
    background: white;
    font-size: 3rem;
    border-bottom: 0.1rem solid;
    img{
        width: 100%;
    }
    nav{
        width: 100%;
        text-align: center;
        height: 5rem;
        line-height: 5rem;
    }
    div{
        height: 5rem;
        line-height: 5rem;
        display: flex;
        justify-content: space-around;
    }
}
.kong{
    width: 20rem;
    height: 20rem;
    border-radius: 50%;
    font-size: 10rem;
    text-align: center;
    margin:10rem auto;
    background: darkgrey;
}
a{
    text-decoration: none;
    color: black;
}
